Describe how a student wouldn’t test for the presence of lipid molecules in a sample of food

The student would conduct an emulsification test. First of all, crush the sample to increase is surface area. Next add the sample to a test tube of ethanol, allowing  for he sample to disolve before adding a few drops of water. The presence of a white precipitate is indication of the presence of lipid molecules in the sample

TS
Answered by Tobias S. Biology tutor

2258 Views

See similar Biology A Level tutors

Related Biology A Level answers

All answers ▸

How is air breathed in to the lungs so that oxygen reaches the gas exchange surfaces?


Suggest and explain why the combined actions of exopeptidases and endopeptidases are more efficient than exopeptidases on their own.


How does water enter and move up the plant?


What is Krebs cycle and what is its role in aerobic respiration


We're here to help

contact us iconContact usWhatsapp logoMessage us on Whatsapptelephone icon+44 (0) 203 773 6020
Facebook logoInstagram logoLinkedIn logo

© MyTutorWeb Ltd 2013–2025

Terms & Conditions|Privacy Policy
Cookie Preferences